L&T-STEC JV Completes Casting 1000 Tunnel Rings for Mumbai Metro

This weekend, Larsen & Toubro and Shanghai Tunnel Engineering Company (L&T – STEC) JV announced the completion of casting work for a 1000 tunnel rings which will form the twin tunnels of Mumbai Metro’s 33.5 km Line-3 between Cuffe Parade & Aarey Colony.

These tunnel ring segments will be erected by three TBMs (Wainganga 1, 2 & 3) exclusively for tunnels on the 4.157 km package UGC-07 located on the northern end of the line between CSIA Terminal 2 – Marol Naka – MIDC – SEEPZ  – Sariput Nagar Ramp. A tunnel ring is typically 1.4 m wide, and consists of 5 segments + 1 ‘key’ segment. For the entire 33.5 km line, approximately 40,000 rings will be cast for all 7 civil packages.

Some images of L&T-STEC’s yard on the Jogeshwari–Vikhroli Link Road (JVLR) –

Photo Copyright: L&T-STEC

Photo Copyright: L&T-STEC

Photo Copyright: L&T-STEC

Photo Copyright: L&T-STEC

In a separate announcement, they’ve revealed that TBM T-206 “Wainganga-1” (commissioned on January 8) has completed erecting 100 rings from the Pali Ground Shaft towards CSIA Terminal 2 Station –

Up-line tunnel built by T-206 Wainganga-1 – Photo Copyright: L&T-STEC

Parts of TBM D215 ‘Wainganga-3’ are currently being lowered into the Pali Ground Shaft, while parts of TBM D213 ‘Wainganga-2’ have been stationed near the Sariput Nagar Ramp waiting for the shaft to get ready.

For more updates, check out the Mumbai section of The Metro Rail Guy!


written by

Global traveler who prefers mass rapid transit

12 Responses to "L&T-STEC JV Completes Casting 1000 Tunnel Rings for Mumbai Metro"

  1. Amol D Pawar says:

    Please send me updates

  2. Amol D Pawar says:

    I am working as a faculty in NICMAR. Helpful in teaching.

  3. TMRG Follower says:

    Contracts were awarded for the second part of Line 2-B and parts of Line 4 of Mumbai Metro


    I m building materials supplier
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  5. vishnu says:

    Are any of the contracting company implementing BIM(Building Information Modelling) technology in the construction or design phase?


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